feat(app): add skill slash commands (#11369)

3 files changed, 41 insertions, 2 deletions

diff --git a/packages/app/src/components/prompt-input.tsx b/packages/app/src/components/prompt-input.tsx
index 5c1d417eb..2bf9acf32 100644
--- a/packages/app/src/components/prompt-input.tsx
+++ b/packages/app/src/components/prompt-input.tsx
@@ -111,7 +111,7 @@ interface SlashCommand {
   title: string
   description?: string
   keybind?: string
-  type: "builtin" | "custom"
+  type: "builtin" | "custom" | "skill"
 }
 
 export const PromptInput: Component<PromptInputProps> = (props) => {
@@ -519,7 +519,15 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
       type: "custom" as const,
     }))
 
-    return [...custom, ...builtin]
+    const skills = sync.data.skill.map((skill) => ({
+      id: `skill.${skill.name}`,
+      trigger: `skill:${skill.name}`,
+      title: skill.name,
+      description: skill.description,
+      type: "skill" as const,
+    }))
+
+    return [...skills, ...custom, ...builtin]
   })
 
   const handleSlashSelect = (cmd: SlashCommand | undefined) => {
@@ -543,6 +551,25 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
       return
     }
 
+    if (cmd.type === "skill") {
+      // Extract skill name from the id (skill.{name})
+      const skillName = cmd.id.replace("skill.", "")
+      const text = `Load the "${skillName}" skill and follow its instructions.`
+      editorRef.innerHTML = ""
+      editorRef.textContent = text
+      prompt.set([{ type: "text", content: text, start: 0, end: text.length }], text.length)
+      requestAnimationFrame(() => {
+        editorRef.focus()
+        const range = document.createRange()
+        const sel = window.getSelection()
+        range.selectNodeContents(editorRef)
+        range.collapse(false)
+        sel?.removeAllRanges()
+        sel?.addRange(range)
+      })
+      return
+    }
+
     editorRef.innerHTML = ""
     prompt.set([{ type: "text", content: "", start: 0, end: 0 }], 0)
     command.trigger(cmd.id, "slash")
@@ -1706,6 +1733,11 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                             {language.t("prompt.slash.badge.custom")}
                           </span>
                         </Show>
+                        <Show when={cmd.type === "skill"}>
+                          <span class="text-11-regular text-text-subtle px-1.5 py-0.5 bg-surface-base rounded">
+                            {language.t("prompt.slash.badge.skill")}
+                          </span>
+                        </Show>
                         <Show when={command.keybind(cmd.id)}>
                           <span class="text-12-regular text-text-subtle">{command.keybind(cmd.id)}</span>
                         </Show>
diff --git a/packages/app/src/context/global-sync.tsx b/packages/app/src/context/global-sync.tsx
index ad3d124b2..6977b86a3 100644
--- a/packages/app/src/context/global-sync.tsx
+++ b/packages/app/src/context/global-sync.tsx
@@ -17,6 +17,7 @@ import {
   type VcsInfo,
   type PermissionRequest,
   type QuestionRequest,
+  type AppSkillsResponse,
   createOpencodeClient,
 } from "@opencode-ai/sdk/v2/client"
 import { createStore, produce, reconcile, type SetStoreFunction, type Store } from "solid-js/store"
@@ -56,10 +57,13 @@ type ProjectMeta = {
   }
 }
 
+export type Skill = AppSkillsResponse[number]
+
 type State = {
   status: "loading" | "partial" | "complete"
   agent: Agent[]
   command: Command[]
+  skill: Skill[]
   project: string
   projectMeta: ProjectMeta | undefined
   icon: string | undefined
@@ -388,6 +392,7 @@ function createGlobalSync() {
           status: "loading" as const,
           agent: [],
           command: [],
+          skill: [],
           session: [],
           sessionTotal: 0,
           session_status: {},
@@ -528,6 +533,7 @@ function createGlobalSync() {
       Promise.all([
         sdk.path.get().then((x) => setStore("path", x.data!)),
         sdk.command.list().then((x) => setStore("command", x.data ?? [])),
+        sdk.app.skills().then((x) => setStore("skill", x.data ?? [])),
         sdk.session.status().then((x) => setStore("session_status", x.data!)),
         loadSessions(directory),
         sdk.mcp.status().then((x) => setStore("mcp", x.data!)),
diff --git a/packages/app/src/i18n/en.ts b/packages/app/src/i18n/en.ts
index a6a50506a..7b18f54af 100644
--- a/packages/app/src/i18n/en.ts
+++ b/packages/app/src/i18n/en.ts
@@ -216,6 +216,7 @@ export const dict = {
   "prompt.popover.emptyCommands": "No matching commands",
   "prompt.dropzone.label": "Drop images or PDFs here",
   "prompt.slash.badge.custom": "custom",
+  "prompt.slash.badge.skill": "skill",
   "prompt.context.active": "active",
   "prompt.context.includeActiveFile": "Include active file",
   "prompt.context.removeActiveFile": "Remove active file from context",